Initial commit.

wp-content/plugins/woocommerce-payments/includes/multi-currency/AdminNotices.php

@@ -0,0 +1,115 @@
+<?php
+/**
+ * Admin notices for Multi-Currency.
+ *
+ * @package WooCommerce\Payments\MultiCurrency
+ */
+
+namespace WCPay\MultiCurrency;
+
+defined( 'ABSPATH' ) || exit;
+
+/**
+ * Class that will display admin notices.
+ */
+class AdminNotices {
+	/**
+	 * Notices.
+	 *
+	 * @var array
+	 */
+	private $notices = [];
+
+	/**
+	 * Initializes this class' WP hooks.
+	 *
+	 * @return void
+	 */
+	public function init_hooks() {
+		add_action( 'admin_notices', [ $this, 'admin_notices' ] );
+		add_action( 'wp_loaded', [ $this, 'hide_notices' ] );
+	}
+
+	/**
+	 * Display any notices we've collected thus far.
+	 */
+	public function admin_notices() {
+		if ( ! current_user_can( 'manage_woocommerce' ) ) {
+			return;
+		}
+
+		$this->check_for_notices();
+
+		foreach ( $this->notices as $notice_key => $notice ) {
+			echo '<div class="' . esc_attr( $notice['class'] ) . '" style="position:relative;">';
+
+			if ( $notice['dismissible'] ) {
+				?>
+				<a href="<?php echo esc_url( wp_nonce_url( add_query_arg( 'wcpay-multi-currency-hide-notice', $notice_key ), 'wcpay_multi_currency_hide_notices_nonce', '_wcpay_multi_currency_notice_nonce' ) ); ?>" class="woocommerce-message-close notice-dismiss" style="position:relative;float:right;padding:9px 0 9px 9px;text-decoration:none;"></a>
+				<?php
+			}
+
+			echo '<p>';
+			echo wp_kses(
+				$notice['message'],
+				[
+					'a' => [
+						'href'   => [],
+						'target' => [],
+					],
+				]
+			);
+			echo '</p></div>';
+		}
+	}
+
+	/**
+	 * Hides any admin notices.
+	 */
+	public function hide_notices() {
+		if ( isset( $_GET['wcpay-multi-currency-hide-notice'] ) && isset( $_GET['_wcpay_multi_currency_notice_nonce'] ) ) {
+			if ( ! wp_verify_nonce( wc_clean( wp_unslash( $_GET['_wcpay_multi_currency_notice_nonce'] ) ), 'wcpay_multi_currency_hide_notices_nonce' ) ) {
+				wp_die( esc_html__( 'Action failed. Please refresh the page and retry.', 'woocommerce-payments' ) );
+			}
+
+			if ( ! current_user_can( 'manage_woocommerce' ) ) {
+				wp_die( esc_html__( 'Cheatin&#8217; huh?', 'woocommerce-payments' ) );
+			}
+
+			$notice = wc_clean( wp_unslash( $_GET['wcpay-multi-currency-hide-notice'] ) );
+
+			if ( 'currency_changed' === $notice ) {
+				update_option( 'wcpay_multi_currency_show_store_currency_changed_notice', 'no' );
+			}
+		}
+	}
+
+	/**
+	 * Adds admin notice to be displayed.
+	 *
+	 * @param string $slug        Slug for the notice.
+	 * @param string $class       Class(es) for the notice.
+	 * @param string $message     Message in the notice.
+	 * @param bool   $dismissible Whether the notice can be dismissed or not.
+	 */
+	private function add_admin_notice( $slug, $class, $message, $dismissible = false ) {
+		$this->notices[ $slug ] = [
+			'class'       => $class,
+			'message'     => $message,
+			'dismissible' => $dismissible,
+		];
+	}
+
+	/**
+	 * Checks for notices and add them.
+	 */
+	private function check_for_notices() {
+		$manual_currencies = get_option( 'wcpay_multi_currency_show_store_currency_changed_notice', false );
+
+		if ( is_array( $manual_currencies ) ) {
+			$currencies = implode( ', ', $manual_currencies );
+			// translators: %s List of currencies that are already translated in WooCommerce core.
+			$this->add_admin_notice( 'currency_changed', 'notice notice-warning', sprintf( __( 'The store currency was recently changed. The following currencies are set to manual rates and may need updates: %s', 'woocommerce-payments' ), $currencies ), true );
+		}
+	}
+}